GNU Data Language was created in 2004.
GuaDaLajara= that means GDL in Mexico.
gnu
Perl Data Language was created in 1996.
GNU nano was created in 1999.
Gnu High was created in 1976.
GNU readline was created in 1989.
GNU Gatekeeper was created in 1999.
GNU Debugger was created in 1986.
GNU LilyPond was created in 1996.
GNU Octave was created in 1988.
GNU Screen was created in 1987.
GNU Manifesto was created in 1985.